CN1995846A - Multiple linking type air conditioner discharge pump control device and method - Google Patents
Multiple linking type air conditioner discharge pump control device and method Download PDFInfo
- Publication number
- CN1995846A CN1995846A CNA2006100943203A CN200610094320A CN1995846A CN 1995846 A CN1995846 A CN 1995846A CN A2006100943203 A CNA2006100943203 A CN A2006100943203A CN 200610094320 A CN200610094320 A CN 200610094320A CN 1995846 A CN1995846 A CN 1995846A
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- China
- Prior art keywords
- draining pump
- control
- detection signal
- time
- condensed water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The present invention relates to a apparatus and method for draining pump control in multi-type air conditioner, especially relates to a apparatus and method for draining pump control in multi-type air conditioner capable of operating the condensed water discharge when the operation ability of the draining pump is reduced, considering the reduction of the operation ability of the draining pump because of voltage drop. Thus, the apparatus for draining pump control in multi-type air conditioner comprises a floater switch for generating detection signal when condensed water gathers; a draining pump for draining out said condensed water; a control section for estimating whether the operation ability of said draining pump is reduced or not, if the operation ability of said draining pump is estimated to be reduced, then said operation of the draining pump is controlled.
Description
Technical field
The present invention relates to a kind of discharge pump control device and method of multi-connected air conditioner, relate in particular to and when the float detection signal continue to take place within a certain period of time, cut off flowing and making the draining pump work scheduled time of cold-producing medium, and if the float detection signal also took place then would stop the indoor set operation and during greater than the scheduled time in append the multi-connected air conditioner of operation draining pump discharge pump control device and method.
Background technology
Usually, multi-connected air conditioner is made of many indoor sets and off-premises station and is arranged on buildings such as mansion, and many off-premises stations are arranged on the building outside, and many indoor sets then are arranged on places such as the ceiling of interior of building or wall.
And, each many indoor set or obtain the required power supply of work from off-premises station, connection perhaps parallel with one another, off-premises station and the distance that is arranged between the indoor set of minimum distance are about tens meters, and off-premises station and the distance that is arranged between the indoor set of maximum distance can reach hundreds of rice.
Therefore, by many indoor sets of same off-premises station supply power supply when the place that is provided with during more away from off-premises station voltage decline serious more, though indoor set can operate as normal in the scope that voltage descends, the draining pump that is used to discharge condensed water is responsive to the voltage reaction that descends.
The condensed water that existing multi-connected air conditioner produces in order to discharge in refrigerating operaton has condensed water container, and condensed water container inside has the switch (floatswitch) that carries out corresponding actions with the water level of condensed water, when condensed water surpasses predefined water level the float detection signal can take place.
And, connect the drainpipe that is used to discharge condensed water on the condensed water container, and connect the draining pump that when the float detection signal takes place, is used for the condensed water pressure is discharged to the outside.
Existing multi-connected air conditioner makes draining pump work in order to discharge condensed water when from switch generation float detection signal, thereby discharges condensed water.
The minimum work of draining pump is 3 minutes when a float detection signal takes place, even the float detection signal takes place within 3 minutes of draining pump work again or the float detection signal takes place repeatedly and detection signal not, can not make draining pump carry out any additional work except the work of carrying out according to the initial signal that takes place in 3 minutes.
And,, on indoor set and off-premises station, show error of performance information simultaneously if the lasting generation of float detection signal more than 60 seconds, then is judged as air conditioner generation miswork and stops the indoor set operation.At this moment, other indoor set and off-premises station carry out operate as normal.
In the condensed water discharge method of aforesaid existing multi-connected air conditioner, ability to work owing to draining pump when the operating voltage of draining pump is lower than normal voltage because of voltage descends is lower than normal condition, therefore after the draining action of carrying out certain hour, can not effectively discharge condensed water, and condensed water can overflow the condensed water reservoir vessel and cause the error running of product.
Summary of the invention
The present invention proposes in order to solve aforesaid problem, its purpose is to provide a kind of discharge pump control device and method of considering the multi-connected air conditioner of the draining pump ability to work reduction that voltage decline causes, thereby also can continue to carry out the discharge work of condensed water when the ability to work of draining pump reduces.
To achieve these goals, the discharge pump control device according to multi-connected air conditioner provided by the present invention comprises: the switch that the float detection signal takes place when condensed water gathers; Be used for described condensed water is discharged to outside draining pump; Control part to be used to judging whether the ability to work of described draining pump reduces, reduces if judge the ability to work of described draining pump, then controls described draining pump work.
And, described control procedure is divided into the phase I to described control part and second stage is controlled, in the control of described phase I, make the described predetermined very first time of draining pump operation, in the control of described second stage, make the described second predetermined time of draining pump operation.
And the described described very first time of second time ratio is long.
And described control part suppresses to generate condensed water in the control of described phase I, makes indoor set out of service in the control of described second stage.
And the aperture of described control part control electric expansion valve is to suppress to generate described condensed water.
And when described float detection signal continued the scheduled time takes place, the ability to work that described control part is judged as described draining pump reduced.
And if described float detection signal took place after the described draining pump work very first time, then described control part shows error message.
And if described float detection signal does not take place in the process of described second time of draining pump work, then described control part is deleted the demonstration of described error message.
Draining pump control method according to multi-connected air conditioner provided by the present invention is: judge whether the float detection signal that takes place when condensed water gathers continues to take place in the given time; If described float detection signal continues to take place in the given time, then suppress to generate the phase I control of described condensed water; Judge again whether described float detection signal takes place; If described float detection signal takes place again, then stop the second stage control of indoor set operation.
And described phase I control also comprises makes the described draining pump work step of the predetermined very first time, and described second stage control also comprises makes the described draining pump work step of the second predetermined time.
And the described described very first time of second time ratio is long.
And, suppress to generate described condensed water by the aperture of control electric expansion valve.
And the draining pump control method of described multi-connected air conditioner also comprises the step that shows error message when described float detection signal took place after the described draining pump work very first time.
And,, then delete the demonstration of described error message if described float detection signal does not take place in the process of described second time of draining pump work.
Description of drawings
Fig. 1 is provided by the block diagram of the discharge pump control device of the multi-connected air conditioner that provides according to one embodiment of the invention.
Fig. 2 a, 2b and 2c are the flow chart of expression according to the draining pump control method of the multi-connected air conditioner that one embodiment of the invention provided.
Main symbol description: 2 is switch, and 4 is the switch timer, and 6 is draining pump work timer, and 8 is draining pump, and 10 is electric expansion valve, and 12 is display part, and 14 is the remote controller acceptance division, and 16 is control part.
The specific embodiment
Below, the most preferred embodiment that present invention will be described in detail with reference to the accompanying.
Fig. 1 is provided by the block diagram of the discharge pump control device of the multi-connected air conditioner that provides according to one embodiment of the invention.
As shown in Figure 1, discharge pump control device according to the multi-connected air conditioner that one embodiment of the invention provided comprises switch 2, switch timer (counter) 4, draining pump work timer (counter) 6, draining pump 8, electric expansion valve 10, display part 12, remote controller acceptance division 14 and control part 16.
Switch timer 4 is connected with control part 16, being sent to control part 16 after the duration that is used to calculate the float detection signal that switch 2 takes place, and according to the control instruction of control part 16 with result of calculation zero setting (reset).
Draining pump work timer 6 is connected with control part 16, is sent to control part 16 after being used for calculating working time of draining pump 8 according to the control instruction of control part 16.Draining pump 8 is connected with the drainpipe (not shown) of condensed water reservoir vessel (not shown), and works or stop according to the control instruction of control part 16.
The device that electric expansion valve 10 reduces pressure to cold-producing medium simultaneously for the flow of refrigerant that is used to regulate multi-connected air conditioner, and increase or reduce the action of the aperture of valve according to the control instruction of control part 16.
Display part 12 is represented the work and the state of each inscape of air conditioner according to the control instruction of control part 16.Remote controller acceptance division 14 receives the user's relevant with operation of air-conditioner operating instruction.
In an embodiment of the present invention with the remote controller acceptance division as the inscape that receives user's operating instruction, but except the remote controller acceptance division, can also utilize reception users' such as the indoor set that is arranged on air conditioner or the function key on the outdoor shell operating instruction.
Control part 16 receives the float detection signal and responds this signal from switch 2 and makes draining pump 8 work, control switch timer 4 simultaneously and calculate the duration that the float detection signal takes place, control electric expansion valve 10 is closed it when the time that calculates surpasses 60 seconds, prevents to generate more condensed water to cut off flowing of cold-producing medium.
And in order to make the 8 work scheduled times (for example 10 minutes or 40 minutes) of draining pump, control draining pump work timer 6 makes it calculate the working time of draining pump 8 when the float detection signal takes place.
And, if still can detect float after the 8 work scheduled times, then stop the operation of air conditioner, and control display part 12 makes it show fault message at draining pump.And, when receiving the user instruction relevant, carry out control correspondingly with operation of air-conditioner.
Embodiments of the invention are divided into the descend reduction of the draining pump ability to work cause of voltage three phases draining pump are controlled.
Fig. 2 a is the flow chart of expression according to the phase I control procedure in the draining pump control method of the multi-connected air conditioner that one embodiment of the invention provided.
At first, under the state of air conditioner work, judge whether float detection signal (step 20) takes place from switch by control part, if be judged as the float detection signal has taken place, then control part control switch timer calculates the duration (step 21) that the float detection signal takes place.
And the control draining pump makes its work scheduled time (step 22), controls draining pump work timer simultaneously and makes it calculate the draining pump working time (step 23).The working time of draining pump was set to 10 minutes in the control procedure of phase I, and this numerical value is the result who obtains by repetition test.
Afterwards, utilize the result of calculation of switch timer to judge whether the float detection signal continued for 60 seconds (step 24), if be judged as not above 60 seconds, judge that then working properly the and control draining pump of draining pump proceeded draining action (step 25) in remaining 9 minutes in the clock time in 10 minute predetermined working time, return step 20 after the draining pump end-of-job and repeat said process.
Continued to have taken place 60 seconds if in step 24, judge the float detection signal, mean that then the draining pump ability to work reduces, therefore the second stage control procedure that enters head it off.
Fig. 2 b is the flow chart of expression according to the second stage control procedure in the draining pump control method of the multi-connected air conditioner that one embodiment of the invention provided.
At first, control part control electric expansion valve is closed cutting off flowing of cold-producing medium it, thereby prevents to generate more condensed water (step 27).
That is, discharge the action of condensed water and carried out for 60 seconds though the lasting generation of float detection signal meaned draining pump in 60 seconds, condensed water is not still normally discharged.Therefore, when discharging condensed water, cut off flowing of cold-producing medium in order effectively to discharge condensed water to prevent generating condensed water because of refrigerating operaton by closing electric expansion valve fully.
Then, control part control draining pump makes it proceed draining action (step 28) in working time in remaining 9 minutes in clock time at predetermined draining pump.And confirm whether receive instruction out of service (step 29),, then stop indoor set operation (step 30), control draining pump simultaneously and make its in the predetermined working time, work on (step 31) if receive instruction out of service from the user.
And, during working on, draining pump confirms whether receive operating instruction (step 32) from the user, if receive operating instruction, then open electric expansion valve indoor set is brought into operation (step 33), and turn back to step 20.
If in step 32, judge not receive operating instruction, confirm then whether the work of draining pump finishes (step 34), if be judged as the draining pump power cut-off, judge then whether float detection signal (step 35) takes place.
If the float detection signal does not take place in step 35, then continue to keep the operation halted state (step 47) of air conditioner, the float detection signal takes place if be judged as, then enter the phase III control procedure.
And, if in step 29, be not judged as and receive instruction out of service from the user, whether the action of then judging draining pump finishes (step 36), do not finish if be judged as, then turning back to step 28 works on draining pump, if the work that is judged as finishes, judge then whether float detection signal (step 37) takes place.
Therefore if be judged as the float detection signal not taking place, mean that then condensed water is normally discharged, opens electric expansion valve carrying out refrigerating operaton (step 38), and turn back to step 20 in step 37.
If be judged as the float detection signal taking place, then enters the phase III control procedure in step 37.
Fig. 2 c is the flow chart of expression according to the phase III control procedure in the draining pump control method of the multi-connected air conditioner that one embodiment of the invention provided.
At first, control part stops the operation (step 39) of indoor set, and shows the information (step 40) that draining pump makes a mistake by display part.At this moment, other indoor set and off-premises station operate as normal.
And the control draining pump makes its condensed water discharge work of carrying out 30 minutes (step 41), controls the working time (step 42) that draining pump work timer calculates draining pump simultaneously.
And, judge at the draining pump duration of work whether float detection signal (step 43) takes place, the float detection signal takes place if be judged as, whether the working time of then judging draining pump surpasses 30 minutes (step 44), if do not surpass, then turn back to step 41 draining pump is worked on, surpass 30 minutes, then show fault and stop operation of air-conditioner by display part if be judged as.
If be judged as the float detection signal not taking place, then delete the error message (step 46) that shows on the display part, and keeps operation halted state (step 47) in step 43.
According to the present invention, when continuing the float detection signal takes place within a certain period of time, cut off the mobile of cold-producing medium and make the draining pump work scheduled time, if continue to take place the float detection signal then, then stop indoor set operation and during greater than the scheduled time in append the operation draining pump, thereby under the situation that the ability to work of draining pump reduces, also can normally discharge condensed water.
Claims (14)
1, a kind of discharge pump control device of multi-connected air conditioner is characterized in that comprising:
The switch of float detection signal when gathering, condensed water takes place;
Be used for described condensed water is discharged to outside draining pump; And
Control part to be used to judging whether the ability to work of described draining pump reduces, reduces if judge the ability to work of described draining pump, then controls described draining pump work.
2, discharge pump control device according to claim 1, it is characterized in that described control part is divided into the phase I with described control procedure and second stage is controlled, in the control of described phase I, make the described predetermined very first time of draining pump operation, in the control of described second stage, make the described second predetermined time of draining pump operation.
3, discharge pump control device according to claim 2 is characterized in that the described described very first time of second time ratio is long.
4, discharge pump control device according to claim 2 is characterized in that described control part suppresses to generate condensed water in the control of described phase I, make indoor set out of service in the control of described second stage.
5, discharge pump control device according to claim 4 is characterized in that the aperture of described control part control electric expansion valve, to suppress to generate described condensed water.
6, discharge pump control device according to claim 1 is characterized in that when described float detection signal continues the scheduled time takes place the ability to work that described control part is judged as described draining pump reduces.
7, discharge pump control device according to claim 2 is characterized in that if described float detection signal took place after the described draining pump work very first time, and then described control part shows error message.
8, discharge pump control device according to claim 7 is characterized in that then described control part is deleted the demonstration of described error message if described float detection signal does not take place in the process of described second time of draining pump work.
9, a kind of draining pump control method of multi-connected air conditioner is characterized in that:
Judge whether the float detection signal that takes place when condensed water gathers continues to take place in the given time;
If described float detection signal continues to take place in the given time, then suppress to generate the phase I control of described condensed water;
Judge again whether described float detection signal takes place;
If described float detection signal takes place again, then stop the second stage control of indoor set operation.
10, draining pump control method according to claim 9, it is characterized in that the control of described phase I also comprises makes the described draining pump work step of the predetermined very first time, and described second stage control also comprises makes the described draining pump work step of the second predetermined time.
11, draining pump control method according to claim 10 is characterized in that the described described very first time of second time ratio is long.
12, draining pump control method according to claim 9 is characterized in that suppressing to generate described condensed water by the aperture of control electric expansion valve.
13, draining pump control method according to claim 10 is characterized in that also comprising the step that shows error message when described float detection signal took place after the described draining pump work very first time.
14, draining pump control method according to claim 10 is characterized in that then deleting the demonstration of described error message if described float detection signal does not take place in the process of described second time of draining pump work.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060001502A KR20070073525A (en) | 2006-01-05 | 2006-01-05 | Apparatus and method for drain pump control in multi-type air conditioner |
| KR1020060001502 | 2006-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1995846A true CN1995846A (en) | 2007-07-11 |
| CN100520206C CN100520206C (en) | 2009-07-29 |
Family
ID=38251003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100943203A Expired - Fee Related CN100520206C (en) | 2006-01-05 | 2006-06-29 | Multiple linking type air conditioner discharge pump control device and method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20070073525A (en) |
| CN (1) | CN100520206C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111279133A (en) * | 2018-10-05 | 2020-06-12 | 日立江森自控空调有限公司 | Air conditioner |
| CN114923218A (en) * | 2022-03-29 | 2022-08-19 | 青岛海信日立空调系统有限公司 | Air conditioner |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123244B (en) * | 2016-08-08 | 2018-11-30 | 珠海格力电器股份有限公司 | The water discharge control method and device of air-conditioning system |
| CN106403192B (en) * | 2016-10-09 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of anti-condensation progress control method, device and multi-gang air conditioner |
-
2006
- 2006-01-05 KR KR1020060001502A patent/KR20070073525A/en not_active Application Discontinuation
- 2006-06-29 CN CNB2006100943203A patent/CN100520206C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111279133A (en) * | 2018-10-05 | 2020-06-12 | 日立江森自控空调有限公司 | Air conditioner |
| CN111279133B (en) * | 2018-10-05 | 2022-01-25 | 日立江森自控空调有限公司 | Air conditioner |
| CN114923218A (en) * | 2022-03-29 | 2022-08-19 | 青岛海信日立空调系统有限公司 | Air conditioner |
| CN114923218B (en) * | 2022-03-29 | 2023-08-18 | 青岛海信日立空调系统有限公司 | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100520206C (en) | 2009-07-29 |
| KR20070073525A (en) | 2007-07-10 |
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Granted publication date: 20090729 Termination date: 20190629 |